OS Engine O Ring - (4BK/60J/20J/60P/40J) : 24981837

50/55 Crankshaft Bearing Front : HE50H27TSuitable for Align or OS 50/55 Helicopter Engine

50/55 Crankshaft Bearing Rear (Old HE50H28T)

Apply for Align/OS 55H Engine55H cover gasket x1

Adapter Fixing  Screw No.4

Adaptor - Webra 32

Air Funnel - 105HZ : 28712000

BACK PLATE (YS56SR)

Ball Race (F) - 21/25fFX32SX-H/37SZ-H : 22831000